body {
    background-image: url('background.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    min-height: 100%;
}
.title {
    font-size: 24px;
    font-weight: bold;
    background-image: linear-gradient(
            to right,
            red, orange, yellow, green, cyan, blue, violet
    );
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.button {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    margin-bottom: 15px;
}
.button:hover {
    background-color: #0056b3;
}
html, body {
    height: 100%;
    margin: 0;
}
main {
    flex-grow: 1;
}
.logo-wrap {
    display: flex;
    align-items: center;
    column-gap: 12px;
    margin-left: 20px;
}
.logo-img {
    width: 52px;
    height: auto;
}